B2 noun kənˌtæm.ɪˈneɪ.ʃən
contamination
प्रदूषण
Meaning
The process of making something less pure by exposure to or addition of a poisonous or polluting substance.
Example
Contamination of air leads to health issues.
हवा का प्रदूषण स्वास्थ्य समस्याओं का कारण बनता है।